EP0940908A3 - Oscillateur - Google Patents

Oscillateur Download PDF

Info

Publication number
EP0940908A3
EP0940908A3 EP99100957A EP99100957A EP0940908A3 EP 0940908 A3 EP0940908 A3 EP 0940908A3 EP 99100957 A EP99100957 A EP 99100957A EP 99100957 A EP99100957 A EP 99100957A EP 0940908 A3 EP0940908 A3 EP 0940908A3
Authority
EP
European Patent Office
Prior art keywords
field effect
current supplied
effect transistors
bias current
bias
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99100957A
Other languages
German (de)
English (en)
Other versions
EP0940908B1 (fr
EP0940908A2 (fr
Inventor
Takeshi c/o Toshiba K.K. Intel.Prop.Div. Yamamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of EP0940908A2 publication Critical patent/EP0940908A2/fr
Publication of EP0940908A3 publication Critical patent/EP0940908A3/fr
Application granted granted Critical
Publication of EP0940908B1 publication Critical patent/EP0940908B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/20—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator
    • H03B5/24—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator active element in amplifier being semiconductor device
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
    • H03B2201/02—Varying the frequency of the oscillations by electronic means
EP99100957A 1998-03-04 1999-01-20 Oscillateur Expired - Lifetime EP0940908B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5204598 1998-03-04
JP05204598A JP3482120B2 (ja) 1998-03-04 1998-03-04 発振回路

Publications (3)

Publication Number Publication Date
EP0940908A2 EP0940908A2 (fr) 1999-09-08
EP0940908A3 true EP0940908A3 (fr) 2000-04-26
EP0940908B1 EP0940908B1 (fr) 2003-09-17

Family

ID=12903860

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99100957A Expired - Lifetime EP0940908B1 (fr) 1998-03-04 1999-01-20 Oscillateur

Country Status (6)

Country Link
US (1) US6137370A (fr)
EP (1) EP0940908B1 (fr)
JP (1) JP3482120B2 (fr)
KR (1) KR100324163B1 (fr)
DE (1) DE69911281T2 (fr)
TW (1) TW439258B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9903079D0 (en) * 1999-02-11 1999-03-31 Koninkl Philips Electronics Nv Transmitter and an oscillator network for use in the transmitter
JP2002148296A (ja) * 2000-11-13 2002-05-22 Suwa Denshi Kk 水晶振動子のｃｉ測定方法および水晶発振回路
US6525617B1 (en) * 2001-08-09 2003-02-25 Lattice Semiconductor Corporation Buffering for LC-based stage
US6587007B2 (en) * 2001-11-26 2003-07-01 Micrel, Incorporated Ring topology based voltage controlled oscillator
US6909292B1 (en) * 2002-07-17 2005-06-21 Athena Semiconductors, Inc. Method for suppressing even order harmonics in a device that utilizes transconductors
US6822522B1 (en) * 2003-05-23 2004-11-23 The United States Of America As Represented By The Secretary Of The Navy Method and apparatus for an improved nonlinear oscillator
DE102004046519B4 (de) * 2004-09-23 2006-07-06 Micronas Gmbh Verfahren und Schaltungsanordnung zur Unterdrückung von Schwingungsmoden in Ringoszillatoren
DE102005008332B3 (de) * 2005-02-23 2006-11-02 Infineon Technologies Ag Verstärkerschaltung für einen Oszillator in einem definierten Schwingfrequenzbereich und Oszillatorschaltung
CN102231623B (zh) * 2011-04-15 2013-10-23 清华大学 一种基于正反馈电感替代法的有源低通滤波器
CN102158193B (zh) * 2011-04-21 2013-07-24 清华大学 一种基于负反馈的二阶带通滤波器
CN104796634B (zh) * 2015-04-20 2018-02-16 中国航天科技集团公司第九研究院第七七一研究所 一种用于超大面阵cmos图像传感器的像元偏置电路及控制方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4818952A (en) * 1987-02-04 1989-04-04 Kabushiki Kaisha Toshiba Oscillation circuit
US5420547A (en) * 1993-06-30 1995-05-30 Sony Corporation Ring oscillator having bandpass filters between stages
US5635879A (en) * 1995-06-22 1997-06-03 Marvell Technology Group, Ltd. Voltage controlled oscillator formed of two differential transconductors

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61206308A (ja) * 1985-03-11 1986-09-12 Seiko Instr & Electronics Ltd 電圧制御発振器
JP2616226B2 (ja) * 1990-11-21 1997-06-04 ヤマハ株式会社 電圧制御発振回路
US5444421A (en) * 1994-02-10 1995-08-22 Racom Systems, Inc. Low power consumption oscillator using multiple transconductance amplifiers
US5734299A (en) * 1996-07-25 1998-03-31 Nortel Networks Corp Microwave VCO having reduced supply voltage
JP3149797B2 (ja) * 1996-09-18 2001-03-26 日本電気株式会社 電圧制御発振回路
JP3361021B2 (ja) * 1996-12-16 2003-01-07 株式会社東芝 フィルタ回路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4818952A (en) * 1987-02-04 1989-04-04 Kabushiki Kaisha Toshiba Oscillation circuit
US5420547A (en) * 1993-06-30 1995-05-30 Sony Corporation Ring oscillator having bandpass filters between stages
US5635879A (en) * 1995-06-22 1997-06-03 Marvell Technology Group, Ltd. Voltage controlled oscillator formed of two differential transconductors

Also Published As

Publication number Publication date
EP0940908B1 (fr) 2003-09-17
TW439258B (en) 2001-06-07
JP3482120B2 (ja) 2003-12-22
DE69911281T2 (de) 2004-06-24
KR19990077574A (ko) 1999-10-25
KR100324163B1 (ko) 2002-02-16
DE69911281D1 (de) 2003-10-23
EP0940908A2 (fr) 1999-09-08
US6137370A (en) 2000-10-24
JPH11251878A (ja) 1999-09-17

Similar Documents

Publication Publication Date Title
EP0940908A3 (fr) Oscillateur
AU3209999A (en) Feedback cancellation improvements
WO2002060072A3 (fr) Emetteur-recepteur par radiofrequence et procedes associes
EP0951143A3 (fr) Technique efficace de contrôle et d'amplification de puissance en télécommunication
EP1193857A3 (fr) Correction d'erreurs à courant continu pour un récepteur à conversion directe
EP1229658A3 (fr) Oscillateur rapide contrôlé par une tension, à taux élevé de réjection du bruit d'alimentation et large gamme de fonctionnement
WO2005015734A3 (fr) Systeme d'amplificateur a gain variable
MY130731A (en) Output choke for d.c. welder and method of using same.
KR850003640A (ko) 발진기 회로
EP0772292A3 (fr) Amplificateurs de puissance pour fréquences radio
EP0829797A3 (fr) Circuit de référence de courant à tension d'alimentation basse et feedback actif pour PLL
EP1049251A3 (fr) Dispositif de contrôle
ATE468658T1 (de) Hochfrequenzverstärkerschaltung mit unabhängiger steuerung von ruhestrom und vorspannungsimpedanz
EP0920122A3 (fr) Circuit à sémiconducteur avec un profil de gain stabilisé
WO1998013939A3 (fr) Reglage d'un oscillateur commande en tension
GB2341021B (en) Radio communication device and transmission power control method
Ramirez-Angulo et al. Wide g/sub m/adjustment range, highly linear OTA with linear programmable current mirrors
WO2002025357A2 (fr) Modulateur a auto-oscillation controlee et systeme de conversion de puissance utilisant un tel modulateur
EP1217763A3 (fr) Appareil permettant une commande variable de gain dans un amplificateur RF
EP0834986A3 (fr) Circuit de commande de gain et méthode de commande de gain
CA2210547A1 (fr) Oscillateur pour hyperfrequences a tension variable fonctionnant sous tension d'alimentation reduite
EP1300948A3 (fr) Comparateur de crêtes d'amplitude à grande vitesse
EP1193860A3 (fr) Circuit de linéarisation à contre-réaction de type aval
EP0921640A3 (fr) Circuit oscillateur commandé en tension
EP0877481A3 (fr) Circuit et méthode de transconductance variable, filtre à bande passante variable et amplificateur à gain variable utilisant cette transconductance

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19990217

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

AKX Designation fees paid

Free format text: DE FR GB

17Q First examination report despatched

Effective date: 20011113

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 69911281

Country of ref document: DE

Date of ref document: 20031023

Kind code of ref document: P

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20040618

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20100208

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20100120

Year of fee payment: 12

Ref country code: DE

Payment date: 20100114

Year of fee payment: 12

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20110120

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20110930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110120

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 69911281

Country of ref document: DE

Effective date: 20110802

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110802